Recommendation is to avoid using the year nomenclature as this
information is already encoded in the git repo. Avoids needing to
repeatly update.
Also updates AUTHORS.txt from current repo with contributor names
Most of these settings are now available in the appearances panel.
It was concluded in a Zulip discussion that any missing items can
be added back in time if people find they need them (ie: complain).
Also hooks up 3DViewer to the common language framework.
